bjoernager/rust
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Make UserTypeProjection projections Opaque

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Also shifts comments explaining why Stable MIR drops an optional variant
name field, for `Downcast` projection elements, to the `Place::stable`
function.
This commit is contained in:
Kirby Linvill 2023-11-14 19:19:35 -07:00
parent ae1726bfce
commit c036a10ed5
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2 changed files with 7 additions and 6 deletions
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6
compiler/stable_mir/src/mir/body.rs
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@ -465,10 +465,6 @@ pub enum ProjectionElem {
},
/// "Downcast" to a variant of an enum or a coroutine.
//
// TODO(klinvill): MIR includes an Option<Symbol> argument that is the name of the variant, used
// for printing MIR. However I don't see it used anywhere. Is such a field needed or can we just
// include the VariantIdx which could be used to recover the field name if needed?
Downcast(VariantIdx),
/// Like an explicit cast from an opaque type to a concrete type, but without
@ -488,7 +484,7 @@ pub enum ProjectionElem {
pub struct UserTypeProjection {
pub base: UserTypeAnnotationIndex,
pub projection: String,
pub projection: Opaque,
}
pub type Local = usize;